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Table 2 Goutallier stages of rotator cuff muscles

From: Deltoid muscle shape analysis with magnetic resonance imaging in patients with chronic rotator cuff tears

Goutallier grading Supraspinatus muscle Infraspintus muscle Subscapularis muscle GFDI*
Stage 0 (n) 29 41 33 30
Stage 1 (n) 21 19 41 30
Stage 2 (n) 28 20 21 35
Stage 3 (n) 19 24 15 19
Stage 4 (n) 19 12 6 2
Mean Goutallier stage: 1.7 1.4 1.1 1.4
  1. *GFDI: global fatty degeneration index (=Goutallier stage of ((SSP + ISP + SSC)/3), rounded and classified into groups.